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Technical Data Sheet
PartsTable / COMPONENT / N52399PC20
N52399PC20 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SETSCREW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 482 OVERALL, head_style: HEADLESS (SETSCREW), point_style: HALF DOG, thread_class: 3A A, thread_length: 0.312 INCHES MAXIMUM IN, fastener_length: 0.312 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-206-2286, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
N52399PC20
NSN: 5305-00-206-2286
FSC: 5305
CAGE: 88032 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialCOPPER ALLOY 482 OVERALL
head_styleHEADLESS (SETSCREW)
point_styleHALF DOG
thread_class3A A
thread_length0.312 INCHES MAXIMUM IN
fastener_length0.312 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.156 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-206-2286
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: N52399PC20 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
POINT STYLE: HALF DOG
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
THREAD QUANTITY PER INCH: 18
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY MATERIAL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: COPPER ALLOY 482 OVERALL
•
WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
POINT STYLEHALF DOG
NOMINAL THREAD DIAMETER0.312 INCHES IN
THREAD QUANTITY PER INCH18
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY MATERIAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALCOPPER ALLOY 482 OVERALL
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A A
FASTENER LENGTH0.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
FFS103TYPE3STYLE6Interchangeable
interchangeable cross-reference
interchangeable
223042Interchangeable
interchangeable cross-reference
interchangeable
223150Interchangeable
interchangeable cross-reference
interchangeable
312-35018Interchangeable
interchangeable cross-reference
interchangeable
66-20846-1Interchangeable
interchangeable cross-reference
interchangeable
1354Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N52399PC20?
N52399PC20 is a SETSCREW.
What parts can replace N52399PC20?
There are 22 known substitutes for N52399PC20: FFS103TYPE3STYLE6, 223042, 223150 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N52399PC20?
N52399PC20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-206-2286. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026